What's in the box
- 1 × MRCOOL® Smart Wi-Fi Mini Stat
- Wall Mount Backplate
- Table Stand
- Product Documentation
- The MRCOOL® Smart Wi-Fi Mini Stat is designed as a smart control accessory for compatible mini-split systems.
- It can be placed on a table with the included stand, wall-mounted with the adapter, or hardwired for a cleaner wall-mounted setup.
- Follow the included product documentation for setup, pairing, app connection, and compatibility requirements.
- Compatibility should be confirmed before purchase to ensure the Mini Stat works with your specific mini-split model.
• Base Warranty: 1-Year Warranty
Please refer to the product warranty documentation for full warranty terms, registration requirements, and coverage details
- Free shipping available.
Orders ship from U.S. warehouse locations. Delivery times may vary by product availability, destination, and carrier scheduling.
Returns must follow Cool Heat Direct’s return policy and the product must meet return eligibility requirements.
Manuals & documents
MODEL: MST05
Smarter Mini-Split Control from Anywhere.
Want easier control over your MRCOOL® mini-split without constantly using the standard remote?
The MRCOOL® Smart Wi-Fi Mini Stat gives you a modern, thermostat-style way to manage comfort from the wall, a tabletop stand, your smartphone, or voice control.
Designed for compatible mini-split systems, this compact smart control helps you adjust heating and cooling, create 7-day schedules, track usage history, and manage comfort remotely through the Smart HVAC app.
With support for Alexa, Google, Siri, and MRCOOL® Link, it gives homeowners flexible control from almost anywhere.
The Comfy Max feature helps prevent overheating and overcooling by using smart comfort thresholds to maintain a more balanced indoor temperature.
It can be wall-mounted, hardwired, or placed on a table with the included stand, making it a simple upgrade for smarter everyday comfort.
Smart control. Better comfort. Built for modern mini-split living.
Why You’ll Love It
✅ Smart Wi-Fi control for compatible mini-splits
✅ Works with the Smart HVAC app
✅ Compatible with Alexa, Google, Siri, and MRCOOL® Link
✅ Comfy Max helps prevent overheating and overcooling
✅ Smart 7-day scheduling
✅ Usage history tracking
✅ Remote access from anywhere
✅ Multiple placement options
✅ DIY-friendly installation
✅ 1-Year Warranty
Best For
MRCOOL® Mini-Splits • Smart Comfort Control • Bedrooms • Living Areas • Home Offices • Remote System Control • Voice Control Users • Smart HVAC Upgrades
| Product Type | Mini Stat |
| Model | MST05 |
| Works With | Mini-Splits |
| WiFi Control | Yes |
| Voice Control | Alexa / Google |
| Installation | Wall / Table |
| Series | Smart Wi-Fi Mini Stat |
| Brand | MRCOOL® |
| App Control | Smart HVAC App |
| iOS Support | Yes |
| Android Support | Yes |
| Siri Support | Yes |
| MRCOOL® Link | Yes |
| Smart Schedule | 7-Day Schedules |
| Usage History | Yes |
| Remote Access | Yes |
| Comfy Max | Yes |
| Color | White |
| Voltage | 24V |
| Mount Options | Table Stand / Wall Mount / Hardwired |
| Install Type | DIY-Friendly |
| Best For | Mini-Split Control |
| Base Warranty | 1-Year Warranty |
| Net Dimensions | 3.9" W × 3.9" H × 1" D |
| Net Weight | 0.4 lb |
| Gross Dimensions | 6.1" W × 7.1" H × 1.8" D |
| Gross Weight | 1.1 lb |
| Compatibility | Confirm compatibility with your exact mini-split model before purchase. |
Questions, answered
Everything homeowners ask before buying a MRCOOL® system.
Installation
What installation requirements apply to this product?
Installation requirements vary by product type. Selected complete MRCOOL® DIY systems are designed for homeowner installation when fitted in line with the manufacturer’s instructions, local codes and permit requirements.
Central HVAC systems, including Universal®, VersaPro®, Central Ducted Hyper Heat and packaged systems, are intended for professional installation by a qualified HVAC contractor. Licensed electrical work may also be required.
Components, thermostats, controls, line sets and accessories should be installed according to their product documentation and compatibility requirements. Always review the product page, manufacturer guidance and warranty conditions before installation.
Will I need any additional parts, tools or professional services?
Additional requirements vary by product and installation. Tools, electrical materials, mounting hardware, connecting components or other installation supplies may be required unless specifically stated as included.
Review the product description, specifications, installation information and What’s Included section, where available, before ordering.
Where can I find product documents or installation instructions?
Available specifications, installation instructions, owner’s manuals and manufacturer documents are provided on the product page where applicable.
Some simple accessories may not have a separate installation manual. Contact our team if you need help locating documentation for a particular product or model.
Sizing & Compatibility
How do I confirm this product is compatible with my equipment?
Review the product type, model number, dimensions, voltage, capacity, refrigerant type, connection sizes and compatibility information shown on the product page, where applicable.
Components, thermostats, controls and accessories must be matched to compatible equipment. Contact our team before ordering if you are uncertain about compatibility.
What should I check before ordering?
Confirm the product name and model number, together with any relevant dimensions, voltage, capacity, refrigerant type, connections and installation requirements.
For replacement components and accessories, compare the product specifications with your existing equipment and the relevant manufacturer documentation before placing your order.
What is included with this product?
The supplied items are listed in the What’s Included section or product description, where applicable. Only the products, components and accessories specifically stated are included.
Electrical materials, mounting equipment, connecting components or other installation supplies may need to be purchased separately unless expressly stated otherwise.
Warranty & Support
What warranty coverage applies to this product?
Warranty coverage varies by product and model. Eligible MRCOOL® products are covered according to the manufacturer’s warranty terms, registration requirements and installation conditions.
Accessories and individual components may have different coverage. Cool Heat Direct can provide available warranty documentation and general guidance, while warranty eligibility and claim decisions are determined by the manufacturer.
How can I get help before ordering?
Email support@coolheatdirect.com with the product name or model number and details about your project or existing equipment.
For compatibility questions, include the model numbers of any products you intend to connect, control, replace or use together.
Support hours: Monday–Friday, 9 AM–6 PM ET.
Shipping & Returns
How will my order be shipped?
Free standard shipping is available on eligible orders to the Lower 48 states and Washington, D.C.
Orders are generally processed within 3–5 business days, followed by approximately 5–12 business days in transit. Delivery timing varies by product availability, destination and carrier scheduling.
Smaller products may ship by parcel carrier. Larger equipment may be delivered curbside by freight carrier. The carrier may contact you to arrange a delivery appointment.
Can I return this product?
Return requests may be submitted within 30 calendar days of delivery. Products must be new, unused and uninstalled and, where applicable, unpowered. They must also be complete and in their original manufacturer packaging. Prior written authorization is required.
For approved change-of-mind returns, incorrect sizing or customer ordering errors, the customer is responsible for return freight and a 15% restocking fee applies.
Verified damaged, defective, incorrect or incomplete orders are handled separately under our full policy.
-
MRCOOL® Systems -
DIY-Friendly Options -
Free Lower 48 Shipping -
Secure Checkout -
Product Sizing Help
